A2L Item 056

  • warning: Parameter 1 to theme_field() expected to be a reference, value given in /home/ibeatty/clickercentral.net/includes/theme.inc on line 171.
  • warning: Parameter 1 to theme_field() expected to be a reference, value given in /home/ibeatty/clickercentral.net/includes/theme.inc on line 171.
  • warning: Parameter 1 to theme_field() expected to be a reference, value given in /home/ibeatty/clickercentral.net/includes/theme.inc on line 171.
  • warning: Parameter 1 to theme_field() expected to be a reference, value given in /home/ibeatty/clickercentral.net/includes/theme.inc on line 171.
  • warning: Parameter 1 to theme_field() expected to be a reference, value given in /home/ibeatty/clickercentral.net/includes/theme.inc on line 171.
  • warning: Parameter 1 to theme_field() expected to be a reference, value given in /home/ibeatty/clickercentral.net/includes/theme.inc on line 171.

Consider the five situations appearing below. All the blocks have the same size and density.

Which of the following statements is true regarding the normal force that the table or incline exerts on the block in contact with it?

  1. ND > NC = NA = NE > NB
  2. ND = NA > NC > NE = NB
  3. NC > ND > NA > NE > NB
  4. ND = NA = NC > NE > NB
  5. NA > ND = NC > NB > NE
  6. ND = NA = NE > NC > NB
  7. More than one of the above is true.
  8. None of the above is true.
  9. Cannot be determined.